This race-inspired design is known for its incredible fit & tremendous value. It has many similar features to the S-Works Prevail II like the Tri-Fix webbing system & 4th Dimension Cooling granting the Womens Propero 3 incredible performance at a tremendous value. > Easy-adjust Hair Port FSL II fit system with four height positions & micro-adjustable dial. > 4th Dimension Cooling System with Mega Mouthport for enhanced comfort. > Composite matrix internal reinforcement allows larger vents for greater cooling. > Soft 4X Dry Lite webbing material won’t stretch out with sweat or water. > Tri-Fix web splitter for enhanced comfort & ease of strap adjustments. > Reflective decals for increased visibility in low-light conditions. > Patented clip-on visor included. > New & enhanced three-size Asia headform.